1981. U.S. Geological Survey. Library locations were mapped for the Napa County Baseline Data report. Many of the locations were selected from the U.S. Geological Survey's Geog... Napa County (Calif.). County Of Napa.

2008. John Woodbury. This layer is a view of the Protected_OS_Lands feature that is in the planning database. The Protected_OS_Lands shows parks and preserves in the Co... Napa County (Calif.). County Of Napa.